Operating Systems General Concepts Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Operating Systems General Concepts Interview Questions

Questions Answers Views Company eMail

What is Difference between thread and process?

AirTies, Azingo, Bloomberg, Encora, Goldman Sachs, HCL, HP, MES, Microsoft, Samsung,

28 268025

How to communicate between difference process?

HP, IBM,

2 11605

What is the best way of communication in multi process environment? ex: getting log from different applications from multi servers?

HP,

1 4764

What is scheduling and How it effects the processor efficiency?

HP,

2 5628

What is virtual memory, if OS didt have that concept What are the problems can arise?

HP,

6 16707

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 9770

How to escape from external fragmentation?

HP,

2 5876

What is difference in managing processes in windows, unix, RTOS?

HP,

2757

What is the difference between mutex and semaphore?

HP, Microsoft,

14 61424

What are counting semaphores?

HP, IBM,

4 17194

which is best among semaphores and mutexes?

HP,

2 7656

which is best among pipes, queues, shared memory and why?

HP,

2 7082

What are named pipes?

HP,

3 7042

What is the signal?

HP,

1 5604

What is the highest priority software interrupt?

HP,

1 6059

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Un-Answered Questions { Operating Systems General Concepts }

What is time- sharing system?

1003

What is the difference between soft and hard links?

963

What is x32 and x64?

885

Give the disadvantages of Havander's Strategies.

2518

Can I delete program files x86?

893

Explain how a copying garbage collector works.

953

What is context in operating system?

925

What is BSS(Block Started by Symbol)?

1102

How to find the number of SIMM Pins

1084

What are the advantage of using threads?

1040

What is lts in node js?

1032

Which program files folder is 64 bit?

1172

How do I run chkdsk on external drive?

944

What is the context switch?

1069

What does tty mean?

925

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